Unusual Options Activity
ARM Unusual Options Activity - Arm - American Depositary Shares
- Last active day
- August 21, 2026
- Active days (30d)
- 23
- Biggest recent print
- Call $320.0000 · $22.5M
AI summary
On August 21, 2026, Arm Holdings plc (ARM) experienced notable options activity with a total of 12 prints. The call premium reached approximately $36.2 million, while the put premium was around $26.3 million, indicating a stronger interest in calls compared to puts. The most significant print was for the ARM Call at a strike of 320.00, expiring on November 20, 2026, with a premium of $22.5 million and a volume/open interest (Vol/OI) ratio of 73.9, suggesting high activity relative to existing positions. Other notable calls included the 330.00 strike with a premium of $1.3 million and a Vol/OI of 7.7, and the 290.00 strike call, which had a premium of $1.3 million and a Vol/OI of 3.9. On the put side, the 145.00 strike put had a premium of $36,360 and a Vol/OI of 3.9, while the 260.00 strike put, expiring on January 21, 2028, saw a premium of $8.4 million with a Vol/OI of 2.2. Overall, the activity reflects a significant focus on higher strike calls.
AI-generated summary
Prints on August 21, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ARM | Call | $320.0000 | 11/20/26 (92d) | 73.9× | $22.5M | 78% | |
| ARM | Call | $330.0000 | 11/20/26 (92d) | 7.7× | $1.3M | 77% | |
| ARM | Call | $280.0000 | 08/28/26 (6d) | 5.0× | $170K | 79% | |
| ARM | Call | $247.5000 | 08/21/26 (1d) | 4.5× | $564K | 77% | |
| ARM | Call | $290.0000 | 11/20/26 (92d) | 3.9× | $1.3M | 78% | |
| ARM | Put | $145.0000 | 10/16/26 (55d) | 3.9× | $36K | 74% | |
| ARM | Put | $260.0000 | 01/21/28 (517d) | 2.2× | $8.4M | 72% | |
| ARM | Put | $300.0000 | 08/21/26 (1d) | 2.0× | $8.6M | 188% | |
| ARM | Call | $260.0000 | 01/21/28 (517d) | 1.6× | $8.4M | 75% | |
| ARM | Put | $430.0000 | 09/18/26 (29d) | 1.5× | $9.2M | 86% | |
| ARM | Call | $255.0000 | 08/21/26 (1d) | 2.0× | $178K | 82% | |
| ARM | Call | $310.0000 | 11/20/26 (92d) | 1.5× | $1.8M | 78% |
History
- 2026-08-2112 prints$36.2M calls$26.3M puts
- 2026-08-208 prints$27.6M calls$17.8M puts
- 2026-08-195 prints$1.0M calls$11.7M puts
- 2026-08-189 prints$10.3M calls$11.7M puts
- 2026-08-178 prints$10.8M calls$66.6M puts
- 2026-08-1417 prints$4.8M calls$77.2M puts
- 2026-08-1318 prints$9.1M calls$47.3M puts
- 2026-08-126 prints$7.5M calls$1.7M puts
- 2026-08-116 prints$1.8M calls$2.0M puts
- 2026-08-103 prints$5.0M calls$360K puts
- 2026-08-0710 prints$7.5M calls$31K puts
- 2026-08-0612 prints$4.5M calls$61K puts
- 2026-08-0524 prints$28.7M calls$5.4M puts
- 2026-08-0426 prints$32.2M calls$7.0M puts
- 2026-08-039 prints$6.6M calls$2.2M puts
- 2026-07-3129 prints$10.8M calls$78.6M puts
- 2026-07-3030 prints$9.3M calls$102.8M puts
- 2026-07-2914 prints$3.1M calls$31.7M puts
- 2026-07-289 prints$1.5M calls$4.3M puts
- 2026-07-2712 prints$1.3M calls$8.6M puts
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